## Here is an example for POV-Ray.
syntax pov "\.(pov|POV|povray|POVRAY)$"
comment "//"
color brightcyan "^[[:space:]]*#[[:space:]]*(declare)"
color brightyellow "\<(sphere|cylinder|translate|matrix|rotate|scale)\>"
color brightyellow "\<(orthographic|location|up|right|direction|clipped_by)\>"
color brightyellow "\<(fog_type|fog_offset|fog_alt|rgb|distance|transform)\>"
color brightred "\<(background|camera|fog|light_source|object|texture)\>"
color green "(\{|\}|\(|\)|\;|\]|\[|`|\\|\$|<|>|!|=|&|\|)"
color brightmagenta "\<(union|group|subgroup)\>"
# Comments.
color brightblue "//.*"
color brightblue start="/\*" end="\*/"